CVE-2026-48561

critical

Description

Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an unauthorized attacker to execute code over a network.

References

Advisories
References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48561

https://www.theregister.com/security/2026/07/14/patchpocalypse-now-microsoft-tops-last-months-record-with-622-patch-tuesday-cves/5271434

https://www.darkreading.com/vulnerabilities-threats/records-broken-patch-tuesday-raises-triage-stakes

https://krebsonsecurity.com/2026/07/microsoft-patches-a-record-570-security-flaws/

Details

Source: Mitre, NVD

Published: 2026-07-14

Updated: 2026-07-16

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.6

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H